Seiko Cal. 5658 - 241

The Seiko 5658-241 represents an important milestone in Seiko's 1976 lineup. Powered by the 5658 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-4f4c53efe58a]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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