Seiko Cal. 7136 - 300

The Seiko 7136-300 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-35b1b41eb887]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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