Seiko Cal. 6664 - 738

The Seiko 6664-738 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-2d5f4677e88e]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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