Seiko Cal. 6647 - 977

This Spring Drive model from 1965 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-59dc7c7e5f19]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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