Seiko Cal. 5658 - 630

The Seiko 5658-630 represents an important milestone in Seiko's 1989 lineup. Powered by the 5658 caliber with 17j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-fe906ebf5d8c]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1989

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