Seiko Cal. 6180 - 968

This Spring Drive model from 1968 features a 41mm PVD Black case. Powered by the 6180 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-4add97cb151b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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