Seiko Cal. 4493 - 116

The 4493-116 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4493 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-0a9864799a3e]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1966

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