Seiko Cal. 0731 - 430

The Seiko 0731-430 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-72961bf231d3]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1985

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