Seiko Cal. 6381 - 201

Seiko 6381-201

The Seiko 6381-201 represents an important milestone in Seiko's 1968 lineup. Powered by the 6381 caliber with 26j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-cfb2609abb10]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1968

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