Seiko Cal. 5227 - 657

The 5227-657 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5227 caliber with 30j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-f397eefd048b]

Also known as: Turtle, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1969

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