Seiko Cal. 6633 - 257

Seiko 6633-257

This Solar model from 1985 features a 46mm Stainless Steel case. Powered by the 6633 caliber with 27j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-c995258f43ba]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1985

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