Seiko Cal. 6388 - 720

Seiko 6388-720

This Automatic model from 1969 features a 42mm Gold-Plated case. Powered by the 6388 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-ec70fc6a91ff]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1969

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