Seiko Cal. 3851 - 312

This Automatic model from 1970 features a 39mm Titanium case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7a397d3bc970]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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