Seiko Cal. 5637 - 278

The 5637-278 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5637 caliber with 35j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-738e904676c1]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1989

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