Seiko Cal. 0720 - 154

Seiko 0720-154

The 0720-154 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-593375676e45]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1974

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seikata-wm-593375676e45