Seiko Cal. 6136 - 420

This Hand-Winding model from 1977 features a 46mm Titanium case. Powered by the 6136 caliber with 27j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-4f897a6574e4]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 7191-991
• Seiko 4534-234
• Seiko 4515-642
• Seiko 4553-543
• Seiko 4484-894
• Seiko 5274-619
• Seiko 3846-700
• Seiko 4582-661
• Seiko 6129-222
• Seiko 0751-587
• Seiko 6660-369
• Seiko 6147-586