Seiko Cal. 7181 - 308

The 7181-308 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7181 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-cca4294d6b95]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1990

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