Seiko Cal. 4547 - 546

The Seiko 4547-546 represents an important milestone in Seiko's 1997 lineup. Powered by the 4547 caliber with 27j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-a2607c87fd02]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1997

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