Seiko Cal. 4555 - 840

This Hand-Winding model from 1987 features a 43mm Titanium case. Powered by the 4555 caliber with 33j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c6e0f0371efb]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1987

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