Seiko Cal. 6633 - 639

Seiko 6633-639

This Quartz model from 1982 features a 40mm Stainless Steel case. Powered by the 6633 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-0859b2e6784b]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
17j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1982

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