Seiko Cal. 4539 - 933

The 4539-933 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-6d8fbe32f335]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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