Seiko Cal. 3877 - 530

Seiko 3877-530

The 3877-530 is a sought-after Solar piece from Seiko's golden era. Powered by the 3877 caliber with 28j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-666198a9a13c]

Also known as: Helmet, Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1980

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