Seiko Cal. 6331 - 813

This Solar model from 1993 features a 45mm Hardlex-Coated Steel case. Powered by the 6331 caliber with 26j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-958ce5e3834a]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1993

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