Seiko Cal. 6636 - 600

The Seiko 6636-600 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0655363a47e3]

Also known as: Turtle, Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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