Seiko Cal. 7121 - 309

The Seiko 7121-309 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f125b28ae4d7]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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