Seiko Cal. 6621 - 840

The Seiko 6621-840 represents an important milestone in Seiko's 1992 lineup. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-6deaa44b1b00]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1992

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