Seiko Cal. 7121 - 356

The Seiko 7121-356 represents an important milestone in Seiko's 1971 lineup. Powered by the 7121 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-92ec5a08ffdc]

Also known as: Navigator, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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