Seiko Cal. 4436 - 538

Seiko 4436-538

The 4436-538 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-56fcd38f5b58]

Also known as: Bellmatic, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1985

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