Seiko Cal. 6646 - 413

The Seiko 6646-413 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-8aabd64b717e]

Also known as: Rally, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1967

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