Seiko Cal. 7115 - 921

The Seiko 7115-921 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ab09e3c5d377]

Also known as: Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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