Seiko Cal. 4522 - 645

The Seiko 4522-645 represents an important milestone in Seiko's 1987 lineup. Powered by the 4522 caliber with 35j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-0f78cd589387]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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