Seiko Cal. 6131 - 445

The Seiko 6131-445 represents an important milestone in Seiko's 1974 lineup. Powered by the 6131 caliber with 35j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-3aa37e58c33b]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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