Seiko Cal. 4476 - 428

Seiko 4476-428

The Seiko 4476-428 represents an important milestone in Seiko's 1979 lineup. Powered by the 4476 caliber with 31j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-cc911ff45f65]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1979

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