Seiko Cal. 5231 - 813

This Hand-Winding model from 1978 features a 41mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-f1875d3abad2]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1978

Related Models

• Seiko 6641-372
• Seiko 6372-688
• Seiko 6261-359
• Seiko 6613-578
• Seiko 0745-464
• Seiko 7037-118
• Seiko 4566-709
• Seiko 5281-563
• Seiko 0757-405
• Seiko 6233-949
• Seiko 4479-366
• Seiko 5214-933