Seiko Cal. 5240 - 354

The 5240-354 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-a0b920ba568a]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1986

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