Seiko Cal. 6140 - 285

This Spring Drive model from 1968 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-859b6721183a]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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