Seiko Cal. 6231 - 724

The Seiko 6231-724 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-e7e2865a5153]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1967

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