Seiko Cal. 6670 - 737

The Seiko 6670-737 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-48893a2a6c00]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1980

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