Seiko Cal. 6121 - 316

This Spring Drive model from 1965 features a 43mm PVD Black case. Powered by the 6121 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-14f45e8e57d6]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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