Seiko Cal. 5645 - 137

The Seiko 5645-137 represents an important milestone in Seiko's 1990 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-44d4ead99cd9]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1990

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