Seiko Cal. 3874 - 230

The 3874-230 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3874 caliber with 20j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-df5f7b2e420e]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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