Seiko Cal. 6645 - 223

The 6645-223 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6645 caliber with 31j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-8798dac77d7a]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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