Seiko Cal. 4437 - 673

Seiko 4437-673

This Automatic model from 1989 features a 40mm PVD Black case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6874394354ff]

Also known as: Navigator, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1989

Related Models

seikata-wm-6874394354ff