Seiko Cal. 5637 - 574

The Seiko 5637-574 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-2b611b96f6eb]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1967

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