Seiko Cal. 6644 - 828

Seiko 6644-828

The 6644-828 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-17920abbacc4]

Also known as: Shogun, Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
12.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
23j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1970

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