Seiko Cal. 6645 - 427

The Seiko 6645-427 represents an important milestone in Seiko's 1996 lineup. Powered by the 6645 caliber with 25j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-6ea4cfb518c4]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1996

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