Seiko Cal. 3828 - 645

Seiko 3828-645

The Seiko 3828-645 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-c9f7002b5c66]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Champagne
Jewels
30j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1981

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