Seiko Cal. 4487 - 317

This Hand-Winding model from 1972 features a 45mm Gold-Plated case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-ecad793917bb]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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