Seiko Cal. 6156 - 291

Seiko 6156-291

The 6156-291 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6156 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-d71d2ec8a1d5]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1981

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