Seiko Cal. 5274 - 387

This Spring Drive model from 1968 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-9d75f519b834]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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