Seiko Cal. 6633 - 707

Seiko 6633-707

This Spring Drive model from 1974 features a 45mm Stainless Steel case. Powered by the 6633 caliber with 29j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-cfa6e87ace36]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
Navy
Jewels
29j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1974

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seikata-wm-cfa6e87ace36