Seiko Cal. 3821 - 707

Seiko 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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seikata-wm-9b1b2823b810