Seiko Cal. 3837 - 745

Seiko 3837-745

The Seiko 3837-745 represents an important milestone in Seiko's 1970 lineup. Powered by the 3837 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-8243f9b8f31e]

Also known as: Rally

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1970

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