Seiko Cal. 6138 - 735

Seiko 6138-735

The 6138-735 is a sought-after Solar piece from Seiko's golden era. Powered by the 6138 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-c73da371e3e6]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Burgundy
Jewels
35j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1981

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