Seiko Cal. 5631 - 249

This Automatic model from 1999 features a 45mm Titanium case. Powered by the 5631 caliber with 28j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-2edfaead041d]

Also known as: Shogun, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1999

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