Seiko Cal. 3810 - 442

Seiko 3810-442

This Quartz model from 1977 features a 46mm Stainless Steel case. Powered by the 3810 caliber with 21j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-bfefe0c128c1]

Also known as: Turtle, Helmet

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Burgundy
Jewels
21j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1977

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