Seiko Cal. 4555 - 365

This Hand-Winding model from 1991 features a 42mm Stainless Steel case. Powered by the 4555 caliber with 25j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-895336043437]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

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