Seiko Cal. 3851 - 957

Seiko 3851-957

The Seiko 3851-957 represents an important milestone in Seiko's 1974 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7c5c5b8bb886]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1974

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