Seiko Cal. 7138 - 900

Seiko 7138-900

This Hand-Winding model from 1974 features a 40mm Two-Tone case. Powered by the 7138 caliber with 27j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-82ca50820f3f]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1974

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seikata-wm-82ca50820f3f