Seiko Cal. 5613 - 389

This Automatic model from 1991 features a 37mm Titanium case. Powered by the 5613 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c796713c1757]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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