Seiko Cal. 4556 - 315

The 4556-315 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-e306fa86f633]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1966

Related Models

• Seiko 4596-941
• Seiko 4458-667
• Seiko 6669-624
• Seiko 7154-426
• Seiko 6153-528
• Seiko 5289-148
• Seiko 7166-485
• Seiko 6277-374
• Seiko 6319-297
• Seiko 6226-308
• Seiko 4538-554
• Seiko 6325-992