Seiko Cal. 6623 - 550

The 6623-550 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-1bee761058d3]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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