Seiko Cal. 6380 - 918

The Seiko 6380-918 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ec311b3e0523]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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