Seiko Cal. 3847 - 977

Seiko 3847-977

The 3847-977 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7696cebd3509]

Also known as: Helmet, UFO

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1971

Related Models

seikata-wm-7696cebd3509