Seiko Cal. 4521 - 773

Seiko 4521-773

The 4521-773 is a sought-after Solar piece from Seiko's golden era. Powered by the 4521 caliber with 17j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-fc51943d0380]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1982

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seikata-wm-fc51943d0380