Seiko Cal. 6140 - 813

This Hand-Winding model from 1991 features a 42mm Hardlex-Coated Steel case. Powered by the 6140 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-c4ad8a68c9c1]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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