Seiko Cal. 7138 - 541

Seiko 7138-541

The 7138-541 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7138 caliber with 17j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-bb1195d5758d]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1991

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