Seiko Cal. 6610 - 658

The 6610-658 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-3900aaff7b63]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1965

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