Seiko Cal. 4480 - 437

The Seiko 4480-437 represents an important milestone in Seiko's 1982 lineup. Powered by the 4480 caliber with 17j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-d3f023182da0]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1982

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