Seiko Cal. 5642 - 436

The Seiko 5642-436 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-43b7e06d9d17]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1981

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