Seiko Cal. 5645 - 399

The Seiko 5645-399 represents an important milestone in Seiko's 1987 lineup. Powered by the 5645 caliber with 24j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-afa8a0675496]

Also known as: Pogue, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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