Seiko Cal. 6660 - 771

Seiko 6660-771

The 6660-771 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-57796641fd53]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Champagne
Jewels
34j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1975

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