Seiko Cal. 6644 - 371

Seiko 6644-371

The 6644-371 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6644 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-fff3245dc4dd]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
26j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1988

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