Seiko Cal. 3884 - 747

This Spring Drive model from 1979 features a 39mm Two-Tone case. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-752460b60860]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

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