Seiko Cal. 4561 - 595

This Hand-Winding model from 1990 features a 41mm Titanium case. Powered by the 4561 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-0b744469b7a0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1990

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