Seiko Cal. 0739 - 670

The Seiko 0739-670 represents an important milestone in Seiko's 1990 lineup. Powered by the 0739 caliber with 28j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-1c9be9e00f3a]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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