Seiko Cal. 3844 - 857

Seiko 3844-857

The Seiko 3844-857 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3ea4a242aa7a]

Also known as: Monster, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1967

Related Models

seikata-wm-3ea4a242aa7a