Seiko Cal. 5646 - 772

This Automatic model from 1980 features a 44mm PVD Black case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-3e784f52a88b]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

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