Seiko Cal. 3878 - 448

This Quartz model from 1985 features a 46mm Two-Tone case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-68dcd4360ba4]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

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