Seiko Cal. 6140 - 581

The 6140-581 is a sought-after Solar piece from Seiko's golden era. Powered by the 6140 caliber with 32j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-2674813dd813]

Also known as: Tuna, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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