Seiko Cal. 6670 - 671

The Seiko 6670-671 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-1c5348b04fb6]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1967

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