Seiko Cal. 6377 - 644

The Seiko 6377-644 represents an important milestone in Seiko's 1996 lineup. Powered by the 6377 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-0adbc8607c23]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1996

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