Seiko Cal. 5645 - 992

The Seiko 5645-992 represents an important milestone in Seiko's 1989 lineup. Powered by the 5645 caliber with 28j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-8ae6b0e9292d]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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