Seiko Cal. 5630 - 991

Seiko 5630-991

The 5630-991 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-21f809363d76]

Also known as: Silverwave, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1974

Related Models

seikata-wm-21f809363d76