Seiko Cal. 3875 - 631

The Seiko 3875-631 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-7a06e124c3c5]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1982

Related Models

• Seiko 6328-421
• Seiko 6373-186
• Seiko 5265-816
• Seiko 7031-466
• Seiko 6155-732
• Seiko 6684-798
• Seiko 5614-491
• Seiko 5614-822
• Seiko 5687-864
• Seiko 5651-341
• Seiko 4530-464
• Seiko 4460-672