Seiko Cal. 6377 - 601

The Seiko 6377-601 represents an important milestone in Seiko's 1986 lineup. Powered by the 6377 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-8945fa9c9a01]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

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