Seiko Cal. 3870 - 222

The 3870-222 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3870 caliber with 20j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-8e775ecb0cd3]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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