Seiko Cal. 6180 - 241

This Spring Drive model from 1966 features a 41mm Gold-Plated case. Powered by the 6180 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-47ee1c3a63dd]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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