Seiko Cal. 5242 - 178

The 5242-178 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5242 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-0dd5524ac715]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

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