Seiko Cal. 3812 - 716

This Hand-Winding model from 1975 features a 35mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-1994b38abf19]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

Related Models

• Seiko 6375-400
• Seiko 6680-488
• Seiko 4533-142
• Seiko 5682-817
• Seiko 7011-439
• Seiko 6654-308
• Seiko 3833-211
• Seiko 6114-466
• Seiko 6654-484
• Seiko 6168-883
• Seiko 6389-570
• Seiko 5660-736