Seiko Cal. 6663 - 370

The Seiko 6663-370 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-90cfc0e5893c]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1966

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