Seiko Cal. 7140 - 300

This Hand-Winding model from 1988 features a 38mm Two-Tone case. With its 22mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-e880db4f7fc7]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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