Seiko Cal. 6398 - 520

This Hand-Winding model from 1977 features a 41mm Stainless Steel case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-353725f13585]

Also known as: Turtle, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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