Seiko Cal. 6657 - 982

The 6657-982 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-aaa1fb1fca49]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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