Seiko Cal. 3878 - 815

The 3878-815 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-2d4cdf147e05]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1973

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