Seiko Cal. 5611 - 377

The Seiko 5611-377 represents an important milestone in Seiko's 1998 lineup. Powered by the 5611 caliber with 28j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-a156c9acbded]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1998

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