Seiko Cal. 3880 - 421

This Quartz model from 1975 features a 40mm Two-Tone case. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-327225b8805a]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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