Seiko Cal. 5239 - 540

The 5239-540 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5239 caliber with 35j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-8f1b95672191]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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