Seiko Cal. 5610 - 438

This Solar model from 1992 features a 39mm Hardlex-Coated Steel case. Powered by the 5610 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-29d1ab4ad376]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1992

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