Seiko Cal. 5617 - 131

Seiko 5617-131

This Kinetic model from 1975 features a 40mm Two-Tone case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9fd8f09ddeba]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
28j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1975

Related Models

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