Seiko Cal. 6645 - 406

The Seiko 6645-406 represents an important milestone in Seiko's 1987 lineup. Powered by the 6645 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-db8292a4259a]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

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