Seiko Cal. 6636 - 337

The Seiko 6636-337 represents an important milestone in Seiko's 1986 lineup. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-539ac99fdad7]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1986

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