Seiko Cal. 5691 - 380

Seiko 5691-380

The Seiko 5691-380 represents an important milestone in Seiko's 1986 lineup. Powered by the 5691 caliber with 25j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-6b8f5a648b2f]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1986

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