Seiko Cal. 0728 - 398

The Seiko 0728-398 represents an important milestone in Seiko's 1971 lineup. Powered by the 0728 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-5db2cec34721]

Also known as: Goldfeather, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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