Seiko Cal. 4530 - 425

The 4530-425 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4530 caliber with 27j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c400a656a8e6]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1974

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