Seiko Cal. 4477 - 613

The Seiko 4477-613 represents an important milestone in Seiko's 1994 lineup. Powered by the 4477 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-012ea428a52c]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

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