Seiko Cal. 6121 - 912

The Seiko 6121-912 represents an important milestone in Seiko's 1981 lineup. Powered by the 6121 caliber with 29j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-71e816a0d72a]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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