Seiko Cal. 7177 - 456

Released in 1968, the Cal. 7177 with design code 456 was part of Seiko's domestic market collection. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-67d7c34491f3]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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