Seiko Cal. 5691 - 934

This Hand-Winding model from 1971 features a 36mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-7c45c6dfa36c]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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