Seiko Cal. 6378 - 755

The Seiko 6378-755 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-71faa8a22c90]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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