Seiko Cal. 7120 - 839

The Seiko 7120-839 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-03f9f5aa03ed]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1990

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