Seiko Cal. 5632 - 644

Seiko 5632-644

The 5632-644 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-f4ecb0605507]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Black
Jewels
31j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1970

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