Seiko Cal. 4542 - 120

The 4542-120 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4542 caliber with 32j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-0d1f89e0dd48]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1976

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