Seiko Cal. 4520 - 618

The Seiko 4520-618 represents an important milestone in Seiko's 1999 lineup. Powered by the 4520 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-e206af7316a9]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1999

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