Seiko Cal. 5231 - 755

This Solar model from 1976 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-ac036dce625d]

Also known as: Turtle, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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