Seiko Cal. 6139 - 660

The Seiko 6139-660 represents an important milestone in Seiko's 1967 lineup. Powered by the 6139 caliber with 35j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-e63df9fc0420]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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