Seiko Cal. 3878 - 769

The 3878-769 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-2c3f602eae1a]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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