Seiko Cal. 5657 - 648

The Seiko 5657-648 represents an important milestone in Seiko's 1999 lineup. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-57568de67ac4]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1999

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