Seiko Cal. 3827 - 874

Released in 1975, the Cal. 3827 with design code 874 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-36aa2ca11c23]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

Related Models

• Seiko 6238-481
• Seiko 6131-792
• Seiko 4523-737
• Seiko 0736-880
• Seiko 4465-116
• Seiko 5634-112
• Seiko 6165-426
• Seiko 4456-361
• Seiko 7051-162
• Seiko 5242-100
• Seiko 3879-123
• Seiko 5240-428