Seiko Cal. 6149 - 557

Seiko 6149-557

The 6149-557 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6149 caliber with 31j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-5aea7ab2897d]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Green
Jewels
31j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1965

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