Seiko Cal. 4540 - 837

Seiko 4540-837

This Hand-Winding model from 1984 features a 44mm Hardlex-Coated Steel case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-17c8270297ae]

Also known as: Navigator, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1984

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seikata-wm-17c8270297ae