Seiko Cal. 4443 - 457

Seiko 4443-457

The 4443-457 is a sought-after Solar piece from Seiko's golden era. Powered by the 4443 caliber with 36j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-6c35479a3fc9]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Burgundy
Jewels
36j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1966

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