Seiko Cal. 7156 - 256

Seiko 7156-256

This Hand-Winding model from 1989 features a 44mm Gold-Plated case. Powered by the 7156 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-bf15e8dcffda]

Also known as: Tuna, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1989

Related Models

seikata-wm-bf15e8dcffda