Seiko Cal. 5645 - 275

The Seiko 5645-275 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-228310e2c40c]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1990

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