Seiko Cal. 6378 - 772

The Seiko 6378-772 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f83fa568c554]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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