Seiko Cal. 5231 - 535

This Hand-Winding model from 1972 features a 38mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-469feb89e107]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

Related Models

• Seiko 6628-585
• Seiko 3832-456
• Seiko 4411-495
• Seiko 0727-391
• Seiko 4536-839
• Seiko 6389-302
• Seiko 0798-118
• Seiko 4460-363
• Seiko 6681-759
• Seiko 6623-786
• Seiko 3849-937
• Seiko 5631-753