Seiko Cal. 6641 - 671

Seiko 6641-671

The 6641-671 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a0d841223dc2]

Also known as: Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
10.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1992

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