Seiko Cal. 7181 - 444

The 7181-444 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7181 caliber with 20j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-bcd831c80177]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1978

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