Seiko Cal. 7156 - 138

Seiko 7156-138

The 7156-138 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7156 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-e603b90fefb4]

Also known as: Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Champagne
Jewels
18j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1995

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