Seiko Cal. 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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