Seiko Cal. 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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