Seiko Cal. 4420 - 776

Seiko 4420-776

The 4420-776 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0b622069bb08]

Also known as: Crown, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1987

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