Seiko Cal. 7155 - 839

Seiko 7155-839

The 7155-839 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7155 caliber with 35j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-471b6608e370]

Also known as: Sumo, Crown

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1973

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seikata-wm-471b6608e370