Seiko Cal. 7121 - 744

The Seiko 7121-744 represents an important milestone in Seiko's 1975 lineup. Powered by the 7121 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-8b7274dd3f74]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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