Seiko Cal. 3855 - 943

This Quartz model from 1989 features a 37mm Stainless Steel case. Powered by the 3855 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-c69a5126d9f0]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

Related Models

• Seiko 3896-708
• Seiko 7020-251
• Seiko 4516-224
• Seiko 3840-100
• Seiko 6174-196
• Seiko 5224-398
• Seiko 4478-707
• Seiko 7080-398
• Seiko 6278-225
• Seiko 5644-338
• Seiko 6675-871
• Seiko 5274-412