Seiko Cal. 5613 - 371

The 5613-371 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ffc6ef53057a]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1999

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