Seiko Cal. 4550 - 768

The Seiko 4550-768 represents an important milestone in Seiko's 1985 lineup. Powered by the 4550 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-8af205711482]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1985

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