Seiko Cal. 6370 - 986

This Hand-Winding model from 1987 features a 36mm PVD Black case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-31758530e175]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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