Seiko Cal. 5610 - 931

This Automatic model from 1987 features a 40mm Hardlex-Coated Steel case. Powered by the 5610 caliber with 28j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-14f519f84b37]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1987

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