Seiko Cal. 6647 - 781

The Seiko 6647-781 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-85764c1ff36e]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1967

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