Seiko Cal. 6378 - 249

This Automatic model from 1979 features a 36mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-2dab523e0ba6]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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