Seiko Cal. 3857 - 767

Seiko 3857-767

This Quartz model from 1998 features a 38mm Stainless Steel case. Powered by the 3857 caliber with 32j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-7ed3e37ede33]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1998

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