Seiko Cal. 6146 - 180

This Spring Drive model from 1976 features a 44mm PVD Black case. Powered by the 6146 caliber with 33j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-ffc1f0869fa8]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1976

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