Seiko Cal. 5239 - 437

The 5239-437 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-0333cba63c3b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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