Seiko Cal. 3872 - 231

Released in 1970, the Cal. 3872 with design code 231 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-118ada0f93e6]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

Related Models

• Seiko 7168-178
• Seiko 6157-181
• Seiko 4483-332
• Seiko 5630-973
• Seiko 4462-767
• Seiko 4422-380
• Seiko 7161-170
• Seiko 7025-861
• Seiko 5613-291
• Seiko 4446-199
• Seiko 5257-143
• Seiko 6310-562