Seiko Cal. 4478 - 918

Released in 1996, the Cal. 4478 with design code 918 was part of Seiko's domestic market collection. Powered by the 4478 caliber with 24j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c839db7ac855]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1996

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