Seiko Cal. 5630 - 230

Seiko 5630-230

The 5630-230 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-786664d24cb1]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1982

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