Seiko Cal. 5640 - 257

This Automatic model from 1995 features a 43mm Hardlex-Coated Steel case. Powered by the 5640 caliber with 24j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-6d3e01d0641a]

Also known as: Crown, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1995

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