Seiko Cal. 6231 - 721

This Automatic model from 1987 features a 42mm Titanium case. Powered by the 6231 caliber with 35j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-4bec6e4dbc4d]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1987

Related Models

• Seiko 6391-355
• Seiko 6384-339
• Seiko 5239-402
• Seiko 0737-708
• Seiko 6330-454
• Seiko 6143-457
• Seiko 5647-236
• Seiko 4410-309
• Seiko 6152-756
• Seiko 7051-617
• Seiko 6397-271
• Seiko 6342-513