Seiko Cal. 7177 - 903

The Seiko 7177-903 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-4976eeeeca4c]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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