Seiko Cal. 4588 - 668

The Seiko 4588-668 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-b1a8b8eb4542]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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