Seiko Cal. 5617 - 381

The 5617-381 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ca5ab5e77a4d]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

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