Seiko Cal. 6644 - 854

The Seiko 6644-854 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-162b863f42f3]

Also known as: World Timer, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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