Seiko Cal. 5278 - 896

This Spring Drive model from 1973 features a 37mm PVD Black case. Powered by the 5278 caliber with 24j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-83a94bc632b8]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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