Seiko Cal. 7181 - 170

The Seiko 7181-170 represents an important milestone in Seiko's 1986 lineup. Powered by the 7181 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-f27c846f8639]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1986

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