Seiko Cal. 5618 - 427

This Hand-Winding model from 1969 features a 36mm Two-Tone case. Powered by the 5618 caliber with 20j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-bf3ab691e14a]

Also known as: Monster, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1969

Related Models

• Seiko 6114-856
• Seiko 6223-495
• Seiko 7124-269
• Seiko 4465-759
• Seiko 7138-127
• Seiko 5212-210
• Seiko 6676-281
• Seiko 6222-305
• Seiko 0797-874
• Seiko 6316-466
• Seiko 4543-837
• Seiko 4487-627