Seiko Cal. 3837 - 440

Seiko 3837-440

The Seiko 3837-440 represents an important milestone in Seiko's 1987 lineup. Powered by the 3837 caliber with 34j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-f90e67d7cc9a]

Also known as: Navigator, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Champagne
Jewels
34j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1987

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