Seiko Cal. 6634 - 115

Seiko 6634-115

This Hand-Winding model from 1981 features a 39mm PVD Black case. Powered by the 6634 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c6871e04f680]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1981

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seikata-wm-c6871e04f680