Seiko Cal. 6138 - 920

The 6138-920 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6138 caliber with 19j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-cd60bc0a9b46]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1981

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