Seiko Cal. 6645 - 188

The 6645-188 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-18eb54558bd1]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1998

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