Seiko Cal. 6642 - 404

This Automatic model from 1976 features a 37mm Hardlex-Coated Steel case. Powered by the 6642 caliber with 24j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-940d02011041]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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