Seiko Cal. 6177 - 677

The Seiko 6177-677 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-93c12c3d5eb5]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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