Seiko Cal. 4547 - 634

Seiko 4547-634

The 4547-634 is a sought-after Solar piece from Seiko's golden era. Powered by the 4547 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f2b1c38e4b95]

Also known as: Monster

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1988

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