Seiko Cal. 6378 - 310

The Seiko 6378-310 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-d4807e070979]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1982

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