Seiko Cal. 5647 - 720

The Seiko 5647-720 represents an important milestone in Seiko's 1998 lineup. Powered by the 5647 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-6ddfa006400d]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

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