Seiko Cal. 0747 - 540

This Spring Drive model from 1976 features a 42mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-ef09c1933211]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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