Seiko Cal. 7177 - 657

The Seiko 7177-657 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-a83701e83516]

Also known as: Navigator, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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