Seiko Cal. 4527 - 309

The 4527-309 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4527 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-6abc791c29ae]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1983

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