Seiko Cal. 5616 - 643

The 5616-643 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-e97526216cda]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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