Seiko Cal. 3821 - 256

This Spring Drive model from 1965 features a 34mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-4d5eb56e3c2a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1965

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