Seiko Cal. 6356 - 639

The Seiko 6356-639 represents an important milestone in Seiko's 1976 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-c705d8d95840]

Also known as: UFO, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

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