Seiko Cal. 6646 - 704

The Seiko 6646-704 represents an important milestone in Seiko's 1996 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-32bdfdf05467]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1996

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