Seiko Cal. 3844 - 639

Released in 1985, the Cal. 3844 with design code 639 was part of Seiko's domestic market collection. Powered by the 3844 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-492d50c4526d]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

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