Seiko Cal. 5644 - 674

This Spring Drive model from 1999 features a 46mm Stainless Steel case. Powered by the 5644 caliber with 24j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-46ea352ac1a6]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1999

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