Seiko Cal. 5221 - 636

Seiko 5221-636

The 5221-636 is a sought-after Solar piece from Seiko's golden era. Powered by the 5221 caliber with 27j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-009306f5d9be]

Also known as: Bellmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1986

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