Seiko Cal. 6340 - 331

Seiko 6340-331

This Automatic model from 1972 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4da064d51d82]

Also known as: Samurai, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1972

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