Seiko Cal. 4531 - 385

This Spring Drive model from 1973 features a 35mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-6162d7b663fa]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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