Seiko Cal. 6644 - 516

This Kinetic model from 1986 features a 35mm Titanium case. Powered by the 6644 caliber with 27j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3b3cef2f1237]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1986

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