Seiko Cal. 4518 - 327

The Seiko 4518-327 represents an important milestone in Seiko's 1966 lineup. Powered by the 4518 caliber with 17j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-e633bbb44376]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1966

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