Seiko Cal. 7188 - 354

Seiko 7188-354

The 7188-354 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-bcae76d6ba9a]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1978

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