Seiko Cal. 5615 - 138

The Seiko 5615-138 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-45ae565469ee]

Also known as: Turtle, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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