Seiko Cal. 3857 - 780

Seiko 3857-780

The Seiko 3857-780 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4a34d73865fe]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1976

Related Models

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