Seiko Cal. 3848 - 928

This Quartz model from 1967 features a 42mm Two-Tone case. Powered by the 3848 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-879b54cb679f]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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