Seiko Cal. 4490 - 477

The Seiko 4490-477 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-1ca73408a4b8]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1977

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