Seiko Cal. 6661 - 387

This Hand-Winding model from 1969 features a 41mm Stainless Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-484f31094a18]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

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