Seiko Cal. 5688 - 381

Seiko 5688-381

This Automatic model from 1975 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b52e39cc187d]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1975

Related Models

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