Seiko Cal. 5275 - 639

The 5275-639 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5275 caliber with 25j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cd6a4651ff34]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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