Seiko Cal. 6645 - 472

Released in 1996, the Cal. 6645 with design code 472 was part of Seiko's domestic market collection. Powered by the 6645 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-7aebc283bf88]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1996

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