Seiko Cal. 6644 - 105

The Seiko 6644-105 represents an important milestone in Seiko's 1984 lineup. Powered by the 6644 caliber with 28j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-6071bfa5a6e0]

Also known as: UFO, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1984

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