Seiko Cal. 3878 - 904

The 3878-904 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-c8c5d2153f5f]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1970

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