Seiko Cal. 3878 - 303

The 3878-303 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b76f28b54dc2]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1989

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