Seiko Cal. 0731 - 655

The Seiko 0731-655 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-af7bebc675fb]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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