Seiko Cal. 5620 - 818

This Spring Drive model from 1971 features a 46mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-b31d126696d1]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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