Seiko Cal. 0728 - 660

The Seiko 0728-660 represents an important milestone in Seiko's 1975 lineup. Powered by the 0728 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-0db18246742d]

Also known as: Crown, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1975

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