Seiko Cal. 3878 - 730

The Seiko 3878-730 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-bf757b87079a]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

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