Seiko Cal. 7138 - 552

Seiko 7138-552

This Automatic model from 1970 features a 34mm Hardlex-Coated Steel case. Powered by the 7138 caliber with 33j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-22328815b595]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
White
Jewels
33j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1970

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seikata-wm-22328815b595