Seiko Cal. 3890 - 523

The 3890-523 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3890 caliber with 22j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-988a22cc6a08]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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