Seiko Cal. 4539 - 221

The 4539-221 is a sought-after Solar piece from Seiko's golden era. Powered by the 4539 caliber with 35j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-330a7af4afe6]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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