Seiko Cal. 6340 - 557

This Solar model from 1979 features a 40mm Gold-Plated case. Powered by the 6340 caliber with 27j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-97c8af0ec4de]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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