Seiko Cal. 7136 - 261

This Hand-Winding model from 1974 features a 37mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-dd4f47ae7fb9]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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