Seiko Cal. 3839 - 407

The 3839-407 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3839 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-1ca80a1fe2ee]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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