Seiko Cal. 6315 - 723

This Spring Drive model from 1965 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-a7f7fabcec44]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1965

Related Models

• Seiko 7173-268
• Seiko 7093-654
• Seiko 4562-856
• Seiko 7186-395
• Seiko 6350-521
• Seiko 6391-851
• Seiko 7039-432
• Seiko 6360-780
• Seiko 5220-601
• Seiko 4587-712
• Seiko 5686-833
• Seiko 7035-726