Seiko Cal. 5640 - 415

This Spring Drive model from 1996 features a 37mm Titanium case. Powered by the 5640 caliber with 33j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-acf351ed1e1d]

Also known as: Pogue, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1996

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