Seiko Cal. 3827 - 347

The 3827-347 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3827 caliber with 25j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-0ecc15042dbe]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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