Seiko Cal. 6644 - 845

The Seiko 6644-845 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-0e2ef356b433]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1975

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