Seiko Cal. 7140 - 305

This Spring Drive model from 1980 features a 45mm Two-Tone case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-49cef67d7480]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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