Seiko Cal. 6138 - 760

Seiko 6138-760

The 6138-760 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6138 caliber with 20j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-558bebd5f27a]

Also known as: Silverwave, World Timer

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1971

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