Seiko Cal. 7156 - 301

This Spring Drive model from 1983 features a 36mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-af27627873d2]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1983

Related Models

• Seiko 6357-962
• Seiko 4431-716
• Seiko 4513-890
• Seiko 3810-457
• Seiko 5267-559
• Seiko 4583-101
• Seiko 7155-701
• Seiko 6376-728
• Seiko 4538-286
• Seiko 6611-759
• Seiko 6231-356
• Seiko 4413-799