Seiko Cal. 4538 - 139

This Automatic model from 1993 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-6e12239c91b2]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1993

Related Models

• Seiko 6259-906
• Seiko 6627-666
• Seiko 6629-881
• Seiko 6221-308
• Seiko 6651-678
• Seiko 7028-966
• Seiko 0775-804
• Seiko 6376-340
• Seiko 4527-778
• Seiko 6181-180
• Seiko 7116-576
• Seiko 6355-676