Seiko Cal. 4527 - 665

Seiko 4527-665

The 4527-665 is a sought-after Solar piece from Seiko's golden era. Powered by the 4527 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a16b3885f59b]

Also known as: Sportsmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1982

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