Seiko Cal. 5616 - 977

The Seiko 5616-977 represents an important milestone in Seiko's 1981 lineup. Powered by the 5616 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-983a547703ba]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1981

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