Seiko Cal. 0730 - 603

The Seiko 0730-603 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-ca55f8e14cc9]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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