Seiko Cal. 0742 - 389

The Seiko 0742-389 represents an important milestone in Seiko's 1968 lineup. Powered by the 0742 caliber with 32j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-cc2d586e1ce7]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1968

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