Seiko Cal. 6618 - 631

Seiko 6618-631

This Hand-Winding model from 1972 features a 34mm Hardlex-Coated Steel case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-186e7bf50f84]

Also known as: Turtle, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
27j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1972

Related Models

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