Seiko Cal. 3815 - 284

Seiko 3815-284

This Automatic model from 1996 features a 37mm Two-Tone case. Powered by the 3815 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b71fc556ad4e]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1996

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