Seiko Cal. 5637 - 384

The Seiko 5637-384 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-69ba5e859c8e]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

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