Seiko Cal. 3878 - 633

The Seiko 3878-633 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-06e873d6f50b]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1987

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