Seiko Cal. 6644 - 396

This Spring Drive model from 1984 features a 38mm PVD Black case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ed95f5a2791d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1984

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