Seiko Cal. 5644 - 358

This Quartz model from 1998 features a 40mm Titanium case. Powered by the 5644 caliber with 20j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-ff563a94c3ec]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1998

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