Seiko Cal. 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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