Seiko Cal. 4436 - 521

Seiko 4436-521

The 4436-521 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-c7eb49665ccb]

Also known as: Samurai, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1965

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