Seiko Cal. 5613 - 677

The Seiko 5613-677 represents an important milestone in Seiko's 1967 lineup. Powered by the 5613 caliber with 29j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b7e2db1c3910]

Also known as: Helmet, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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