Seiko Cal. 6644 - 105

The 6644-105 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-a7bc13d66fdf]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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