Seiko Cal. 5231 - 675

The 5231-675 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-652a22e00ced]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

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