Seiko Cal. 3828 - 630

Seiko 3828-630

The Seiko 3828-630 represents an important milestone in Seiko's 1978 lineup. Powered by the 3828 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-31f8df684c0d]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1978

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