Seiko Cal. 6131 - 911

The Seiko 6131-911 represents an important milestone in Seiko's 1973 lineup. Powered by the 6131 caliber with 19j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-54e9389ce348]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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