Seiko Cal. 3813 - 324

The 3813-324 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3813 caliber with 24j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-f3dc6fd30ca3]

Also known as: UFO, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1982

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