Seiko Cal. 6636 - 939

The 6636-939 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-90bca454432a]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

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