Seiko Cal. 4543 - 646

The 4543-646 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4543 caliber with 32j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-23f37c4a3f06]

Also known as: Panda, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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