Seiko Cal. 6181 - 744

This Spring Drive model from 1991 features a 40mm Titanium case. Powered by the 6181 caliber with 30j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-10b235086726]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1991

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