Seiko Cal. 7178 - 366

The Seiko 7178-366 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-fd598ad6d506]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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