Seiko Cal. 6628 - 687

The 6628-687 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-44f0494f9154]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1969

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