Seiko Cal. 5640 - 160

The Seiko 5640-160 represents an important milestone in Seiko's 1998 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-642cc6f2c01a]

Also known as: Samurai, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1998

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