Seiko Cal. 6642 - 784

Seiko 6642-784

The 6642-784 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c4cc16a9973e]

Also known as: Shogun, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1967

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