Seiko Cal. 3831 - 807

Seiko 3831-807

The 3831-807 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-9e42d36df701]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
29j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1968

Related Models

seikata-wm-9e42d36df701