Seiko Cal. 4540 - 248

The Seiko 4540-248 represents an important milestone in Seiko's 1991 lineup. Powered by the 4540 caliber with 33j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-6d705f41a847]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1991

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