Seiko Cal. 5641 - 613

The 5641-613 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5641 caliber with 19j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-342a8a41697b]

Also known as: Goldfeather, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1998

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