Seiko Cal. 4543 - 410

The 4543-410 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4543 caliber with 21j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-9f50e97ef979]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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