Seiko Cal. 4521 - 116

The 4521-116 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4521 caliber with 18j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-66bb446deaaa]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1983

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