Seiko Cal. 3873 - 745

Seiko 3873-745

The Seiko 3873-745 represents an important milestone in Seiko's 1983 lineup. Powered by the 3873 caliber with 17j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-1934a3825f65]

Also known as: Bullhead, Navigator

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1983

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seikata-wm-1934a3825f65