Seiko Cal. 4531 - 628

Seiko 4531-628

The 4531-628 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-da98f3a8f971]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1970

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