Seiko Cal. 4550 - 721

The Seiko 4550-721 represents an important milestone in Seiko's 1995 lineup. Powered by the 4550 caliber with 22j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-6447a2fc3ae5]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1995

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