Seiko Cal. 6180 - 380

This Spring Drive model from 1968 features a 46mm PVD Black case. Powered by the 6180 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-343ff7d22927]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1968

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