Seiko Cal. 7160 - 639

The Seiko 7160-639 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4bd64ab43d36]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1979

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