Seiko Cal. 5665 - 558

This Spring Drive model from 1971 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-74895eb3de5b]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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