Seiko Cal. 5643 - 549

The 5643-549 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-524cc403248c]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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