Seiko Cal. 4493 - 499

The 4493-499 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4493 caliber with 23j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-38ca1bc5e9d1]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

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