Seiko Cal. 5643 - 688

The 5643-688 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1dd7ce83eb17]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1998

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