Seiko Cal. 6377 - 641

Seiko 6377-641

The Seiko 6377-641 represents an important milestone in Seiko's 1985 lineup. Powered by the 6377 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-d5e42918e340]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
35j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1985

Related Models

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