Seiko Cal. 7155 - 649

Seiko 7155-649

The 7155-649 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7155 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f9c250727697]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1975

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