Seiko Cal. 3840 - 273

The 3840-273 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3840 caliber with 24j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-56d7a558a463]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1989

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