Seiko Cal. 4477 - 991

Seiko 4477-991

The 4477-991 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4bf591b3f817]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1970

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