Seiko Cal. 5276 - 387

The 5276-387 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5276 caliber with 20j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-81d8485132d5]

Also known as: Shogun, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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