Seiko Cal. 0731 - 301

This Solar model from 1972 features a 45mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b639a3df6137]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1972

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