Seiko Cal. 5637 - 676

This Hand-Winding model from 1999 features a 46mm Titanium case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-1cd6ad6c942b]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1999

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