Seiko Cal. 6692 - 539

This Spring Drive model from 1980 features a 37mm PVD Black case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-8877b8366a82]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1980

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