Seiko Cal. 7057 - 331

Seiko 7057-331

The Seiko 7057-331 represents an important milestone in Seiko's 1998 lineup. Powered by the 7057 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-3092a7435b23]

Also known as: Turtle, Crown

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
35mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
200m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1998

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seikata-wm-3092a7435b23