Seiko Cal. 3844 - 920

The Seiko 3844-920 represents an important milestone in Seiko's 1970 lineup. Powered by the 3844 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-794af869fe9a]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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