Seiko Cal. 7150 - 331

Seiko 7150-331

The 7150-331 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ca61414a7a01]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1986

Related Models

seikata-wm-ca61414a7a01