Seiko Cal. 6663 - 203

The Seiko 6663-203 represents an important milestone in Seiko's 1976 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-a2f9e3a9700e]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1976

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