Seiko Cal. 5677 - 509

The 5677-509 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-05e0ce0fa2d3]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1973

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