Seiko Cal. 4548 - 891

The Seiko 4548-891 represents an important milestone in Seiko's 1983 lineup. Powered by the 4548 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-29aa8581ebfe]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

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