Seiko Cal. 6641 - 960

Seiko 6641-960

The 6641-960 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-53f6ad7a2bb4]

Also known as: Sportsmatic, Crown

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Cream
Jewels
29j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1967

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