Seiko Cal. 6121 - 403

The 6121-403 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6121 caliber with 17j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-537134ff414a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1991

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