Seiko Cal. 7140 - 397

Seiko 7140-397

The 7140-397 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7140 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-fdab1bdb73a2]

Also known as: Sea Horse, Crown

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Cream
Jewels
34j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1967

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