Seiko Cal. 6645 - 901

This Spring Drive model from 1994 features a 40mm Gold-Plated case. Powered by the 6645 caliber with 19j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-fc8b4d2a8d68]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1994

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