Seiko Cal. 6643 - 104

Seiko 6643-104

The 6643-104 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2c1fe2e3acf4]

Also known as: Shogun

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
37mm
Case Thickness
15.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
32j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1979

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