Seiko Cal. 4570 - 821

This Spring Drive model from 1984 features a 35mm Stainless Steel case. Powered by the 4570 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-153dd6adb000]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1984

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