Seiko Cal. 6388 - 678

Seiko 6388-678

The Seiko 6388-678 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-4345b288735e]

Also known as: UFO, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
130m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1975

Related Models

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