Seiko Cal. 5242 - 971

The Seiko 5242-971 represents an important milestone in Seiko's 1970 lineup. Powered by the 5242 caliber with 30j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-650902bd4a8a]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1970

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