Seiko Cal. 3850 - 253

The 3850-253 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3850 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-d4e16535ed8c]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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