Seiko Cal. 3840 - 787

Seiko 3840-787

The Seiko 3840-787 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7fc2f5170ea9]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Cream
Jewels
21j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1983

Related Models

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