Seiko Cal. 0720 - 613

The 0720-613 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-946339e79637]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1990

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