Seiko Cal. 7054 - 690

Seiko 7054-690

The 7054-690 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-331719a94fe4]

Also known as: Monster, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1968

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