Seiko Cal. 5677 - 176

The 5677-176 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-04f69f84b246]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1992

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