Seiko Cal. 0730 - 744

This Hand-Winding model from 1977 features a 40mm Two-Tone case. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-74337bd9fa14]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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