Seiko Cal. 3816 - 402

This Spring Drive model from 1975 features a 39mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-fb64dc7b1c29]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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