Seiko Cal. 6644 - 772

The Seiko 6644-772 represents an important milestone in Seiko's 1991 lineup. Powered by the 6644 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-37876bbcff80]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1991

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