Seiko Cal. 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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