Seiko Cal. 6644 - 176

Seiko 6644-176

The Seiko 6644-176 represents an important milestone in Seiko's 1981 lineup. Powered by the 6644 caliber with 35j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-6445752a6d19]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
White
Jewels
35j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1981

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