Seiko Cal. 3821 - 992

Seiko 3821-992

Released in 1978, the Cal. 3821 with design code 992 was part of Seiko's domestic market collection. Powered by the 3821 caliber with 31j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-bfdae867d62d]

Also known as: Turtle, Silverwave

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
36mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1978

Related Models

seikata-wm-bfdae867d62d