Seiko Cal. 0731 - 735

This Spring Drive model from 1973 features a 35mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-5a4baa32ec6c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1973

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