Seiko Cal. 6644 - 115

The Seiko 6644-115 represents an important milestone in Seiko's 1998 lineup. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-3367b3ffdc96]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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