Seiko Cal. 6610 - 724

The 6610-724 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-463d7c8cce8e]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1965

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