Seiko Cal. 6381 - 178

Seiko 6381-178

Released in 1971, the Cal. 6381 with design code 178 was part of Seiko's domestic market collection. Powered by the 6381 caliber with 25j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-8b67cc6a630b]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1971

Related Models

seikata-wm-8b67cc6a630b