Seiko Cal. 6645 - 836

This Spring Drive model from 1989 features a 42mm PVD Black case. Powered by the 6645 caliber with 26j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-26799bfeb1d9]

Also known as: Panda, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

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