Seiko Cal. 5644 - 449

This Hand-Winding model from 1987 features a 35mm PVD Black case. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-4e10ee84a6ed]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1987

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