Seiko Cal. 5240 - 930

This Automatic model from 1970 features a 37mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-da846bd52421]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1970

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