Seiko Cal. 7128 - 337

Seiko 7128-337

The 7128-337 is a sought-after Solar piece from Seiko's golden era. Powered by the 7128 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-dfd47704c11c]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Champagne
Jewels
25j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1966

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