Seiko Cal. 0730 - 506

The 0730-506 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0730 caliber with 18j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-27b1a2de468d]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1993

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