Seiko Cal. 7121 - 780

The Seiko 7121-780 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ffe652feb764]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1980

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