Seiko Cal. 5646 - 887

The 5646-887 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-b925e2bb6ece]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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