Seiko Cal. 6644 - 421

The 6644-421 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-fbe778fe2c2e]

Also known as: Samurai, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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