Seiko Cal. 3880 - 921

Seiko 3880-921

This Automatic model from 1996 features a 40mm Titanium case. Powered by the 3880 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-cb5e1d88d9d0]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1996

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