Seiko Cal. 6642 - 335

This Spring Drive model from 1968 features a 44mm PVD Black case. Powered by the 6642 caliber with 19j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-b688781fc0cf]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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