Seiko Cal. 3827 - 957

Seiko 3827-957

The Seiko 3827-957 represents an important milestone in Seiko's 1990 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-34f7c072c9f7]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1990

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