Seiko Cal. 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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