Seiko Cal. 0773 - 720

Seiko 0773-720

The 0773-720 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-2379b8cd267c]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1970

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