Seiko Cal. 6120 - 931

The 6120-931 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6120 caliber with 22j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-34ce823a663d]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1973

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