Seiko Cal. 6633 - 636

Seiko 6633-636

This Automatic model from 1995 features a 42mm PVD Black case. Powered by the 6633 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-f70ddbcedc37]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1995

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seikata-wm-f70ddbcedc37