Seiko Cal. 3857 - 530

This Quartz model from 1970 features a 41mm Hardlex-Coated Steel case. Powered by the 3857 caliber with 32j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-3ee510a91f9a]

Also known as: Tuna, Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

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