Seiko Cal. 6642 - 294

This Automatic model from 1965 features a 44mm Hardlex-Coated Steel case. Powered by the 6642 caliber with 36j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-6c950534107d]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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