Seiko Cal. 6644 - 578

This Solar model from 1995 features a 35mm PVD Black case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-5e62a1b96683]

Also known as: Bullhead, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1995

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