Seiko Cal. 6361 - 851

This Spring Drive model from 1986 features a 41mm PVD Black case. Powered by the 6361 caliber with 29j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-90e2adcbf864]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1986

Related Models

• Seiko 7091-567
• Seiko 0739-253
• Seiko 6393-423
• Seiko 0751-223
• Seiko 0792-706
• Seiko 4479-361
• Seiko 0758-833
• Seiko 6627-300
• Seiko 0779-890
• Seiko 7153-390
• Seiko 0761-383
• Seiko 4440-664