Seiko Cal. 6657 - 361

Seiko 6657-361

The Seiko 6657-361 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-630e6cf45a1a]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1987

Related Models

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