Seiko Cal. 5630 - 444

The Seiko 5630-444 represents an important milestone in Seiko's 1998 lineup. Powered by the 5630 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-acd118ee39fa]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1998

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