Seiko Cal. 0740 - 397

Seiko 0740-397

This Hand-Winding model from 1984 features a 38mm Gold-Plated case. Powered by the 0740 caliber with 20j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-e94f1c0e6ffc]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1984

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