Seiko Cal. 6355 - 867

This Spring Drive model from 1978 features a 42mm Hardlex-Coated Steel case. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-944be1fb1d8b]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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