Seiko Cal. 6143 - 739

This Solar model from 1978 features a 46mm Hardlex-Coated Steel case. Powered by the 6143 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-7086d8bc8d44]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

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