Seiko Cal. 6646 - 794

The Seiko 6646-794 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2eab7fc9c4c4]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

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