Seiko Cal. 5686 - 337

Seiko 5686-337

This Automatic model from 1971 features a 42mm Two-Tone case. Powered by the 5686 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-6f59498704e2]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1971

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seikata-wm-6f59498704e2