Seiko Cal. 6646 - 168

The Seiko 6646-168 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7713f9cec1a4]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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