Seiko Cal. 4536 - 282

This Hand-Winding model from 1967 features a 37mm Two-Tone case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-52d8388c27ee]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1967

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