Seiko Cal. 7160 - 581

The Seiko 7160-581 represents an important milestone in Seiko's 1977 lineup. Powered by the 7160 caliber with 26j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-fdecf8612ff0]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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