Seiko Cal. 3827 - 757

Seiko 3827-757

The 3827-757 is a sought-after Solar piece from Seiko's golden era. Powered by the 3827 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-89c37f2c58ac]

Also known as: Bellmatic, Sea Horse

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1974

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