Seiko Cal. 6630 - 280

Seiko 6630-280

This Automatic model from 1978 features a 40mm Stainless Steel case. Powered by the 6630 caliber with 21j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7ea126c2cd52]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Silver
Jewels
21j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1978

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