Seiko Cal. 4550 - 647

This Hand-Winding model from 1995 features a 44mm Two-Tone case. Powered by the 4550 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-70ff83ab6299]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1995

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