Seiko Cal. 7160 - 639

The Seiko 7160-639 represents an important milestone in Seiko's 1973 lineup. Powered by the 7160 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-3c32a9cecdad]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1973

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