Seiko Cal. 5231 - 375

This Solar model from 1972 features a 35mm PVD Black case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-138cd7f92e20]

Also known as: Rally, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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