Seiko Cal. 7030 - 381

Seiko 7030-381

The 7030-381 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7030 caliber with 34j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-badf85faa83d]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
Navy
Jewels
34j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1988

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