Seiko Cal. 3860 - 852

The 3860-852 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3860 caliber with 28j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9a291eb58ee2]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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