Seiko Cal. 6644 - 467

The 6644-467 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6644 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-7f9bf8ed0af4]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1996

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