Seiko Cal. 5611 - 920

This Spring Drive model from 1983 features a 41mm Titanium case. Powered by the 5611 caliber with 26j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-70749b1f4236]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1983

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