Seiko Cal. 3865 - 510

Seiko 3865-510

The 3865-510 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-47c7c39a4981]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1997

Related Models

seikata-wm-47c7c39a4981