Seiko Cal. 7131 - 850

This Hand-Winding model from 1969 features a 38mm Titanium case. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-bd84189f3747]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

Related Models

• Seiko 4578-948
• Seiko 3823-600
• Seiko 7160-595
• Seiko 7139-418
• Seiko 0764-523
• Seiko 6662-327
• Seiko 4454-389
• Seiko 7044-723
• Seiko 6121-502
• Seiko 6652-588
• Seiko 6195-165
• Seiko 6283-639