Seiko Cal. 6641 - 461

Seiko 6641-461

The 6641-461 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-00690a74edb2]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
24j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1973

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seikata-wm-00690a74edb2