Seiko Cal. 5642 - 870

The 5642-870 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5642 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-d95fd3a6fddc]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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