Seiko Cal. 6140 - 540

Seiko 6140-540

This Automatic model from 1977 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-211312d451d9]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1977

Related Models

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