Seiko Cal. 4527 - 971

Seiko 4527-971

The 4527-971 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4527 caliber with 25j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-2145fdd92534]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1995

Related Models

seikata-wm-2145fdd92534