Seiko Cal. 4547 - 658

The Seiko 4547-658 represents an important milestone in Seiko's 1997 lineup. Powered by the 4547 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a8173928a301]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1997

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