Seiko Cal. 7121 - 813

This Hand-Winding model from 1973 features a 39mm Two-Tone case. Powered by the 7121 caliber with 24j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-3114092ad081]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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