Seiko Cal. 3821 - 707

The Seiko 3821-707 represents an important milestone in Seiko's 1972 lineup. Powered by the 3821 caliber with 31j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-9b1b2823b810]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

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