Seiko Cal. 6636 - 458

The Seiko 6636-458 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-cbc3aa1686ba]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1982

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