Seiko Cal. 3810 - 487

Seiko 3810-487

The Seiko 3810-487 represents an important milestone in Seiko's 1971 lineup. Powered by the 3810 caliber with 31j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d6885f520570]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1971

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seikata-wm-d6885f520570