Seiko Cal. 6148 - 424

This Spring Drive model from 1975 features a 35mm Two-Tone case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-0748f3be1c60]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1975

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