Seiko Cal. 6644 - 260

This Solar model from 1974 features a 44mm PVD Black case. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-6d92ff49d4b8]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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