Seiko Cal. 6138 - 459

Seiko 6138-459

This Hand-Winding model from 1980 features a 40mm Two-Tone case. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-abe1d762085a]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1980

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seikata-wm-abe1d762085a