Seiko Cal. 5655 - 390

This Automatic model from 1966 features a 40mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-2a8fc970b4b3]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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