Seiko Cal. 5646 - 931

Seiko 5646-931

The 5646-931 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-13d3e9e20acb]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1967

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