Seiko Cal. 6645 - 761

This Automatic model from 1988 features a 45mm PVD Black case. Powered by the 6645 caliber with 23j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-1a12c2ee71db]

Also known as: Rally, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1988

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