Seiko Cal. 3878 - 533

The Seiko 3878-533 represents an important milestone in Seiko's 1984 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b9d687ec505c]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1984

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