Seiko Cal. 6131 - 673

Seiko 6131-673

The 6131-673 is a sought-after Solar piece from Seiko's golden era. Powered by the 6131 caliber with 26j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-f48d157554b8]

Also known as: Tuna, Helmet

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
35mm
Case Thickness
8.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Navy
Jewels
26j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1990

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