Seiko Cal. 6636 - 250

This Solar model from 1995 features a 40mm PVD Black case. Powered by the 6636 caliber with 36j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-0d43b79e7236]

Also known as: Sportsmatic, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1995

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