Seiko Cal. 7131 - 515

This Hand-Winding model from 1967 features a 39mm Gold-Plated case. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-92e9e36e757b]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1967

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