Seiko Cal. 5276 - 278

The Seiko 5276-278 represents an important milestone in Seiko's 1975 lineup. Powered by the 5276 caliber with 17j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-79c2cdb4d09f]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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